Home / 5,471.40-8,203.51-2,699.89

Finding the Fourth Proportional to 5,471.40, 8,203.51 and 2,699.89

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Solution

The fourth proportional to 5,471.40, 8,203.51 and 2,699.89 is: 4,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.40 : 8,203.51 = 2,699.89 : x
  2. Step 2: Convert to fraction form
    5,471.40/8,203.51 = 2,699.89/x
  3. Step 3: Cross multiply
    5,471.40x = 8,203.51 × 2,699.89
  4. Step 4: Simplify right side
    5,471.40x = 22,148,557.48
  5. Step 5: Solve for x
    x = 22,148,557.48/5,471.40
  6. Step 6: Final answer
    x = 4,048.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.